SH-SR314 Visual Fault Locator (VFL)
SR314 Series Visual Fault Locator
Portable. Precise. Power Bank Ready.
The SR314 Series is a high-performance, multi-functional Visual Fault Locator (VFL) that doubles as a power bank — making it an ideal companion for fiber optic fieldwork. With red laser output options of 15mW, 30mW, and 50mW, it can identify faults in fiber links up to 15 km, 30 km, or 50 km respectively.
Its ergonomic "pen-style" design houses a large 3200mAh lithium battery, giving it long-lasting runtime and the added ability to charge other devices on the go. Equipped with a universal 2.5mm connector, a Type-C charging port, and a transparent double-LED display with uniform brightness, the SR314 is a practical and durable tool for every technician’s toolkit.
Download Product Spec Sheet:
Key Features
-
3-in-1 Red Light Pen — includes VFL, flashlight, and power bank functionality
-
Long-distance fault tracing: up to 15/30/50 km (based on power level)
-
Rechargeable 3200mAh battery — provides extended working time
-
Type-C charging port for modern convenience
-
Dual LED lights for consistent, equal brightness
-
Universal 2.5mm connector — compatible with SC, ST, FC connectors
-
Compact and rugged — fits easily into any field bag
Technical Specifications
| Specification | Details |
|---|---|
| Model | Grip-type Red Light Source with Power Bank Function |
| Center Wavelength | 650 ± 10 nm |
| Output Power Options | 15mW / 30mW / 50mW |
| Effective Detection Distance | 15 km / 30 km / 50 km |
| Connector | 2.5 mm universal adapter |
| Modulation Frequency | 2 Hz |
| Power Supply | Built-in 3200mAh rechargeable lithium battery |
| Charging Input | 5V / 1A via USB Type-C |
| Battery Life (Fully Charged) | ≥24 hours (15mW), ≥10 hours (30mW) |
| Operating Temperature | -10°C to +45°C |
| Storage Temperature | -40°C to +70°C |
| Dimensions | 148 × 44 × 18 mm |
| Weight | 120 g |